From: Lawrence MacIntyre <lpz@ornl.gov>
To: lartc@vger.kernel.org
Subject: Re: [LARTC] DDoS mitigation
Date: Tue, 26 Aug 2003 11:57:02 +0000 [thread overview]
Message-ID: <marc-lartc-106189916732577@msgid-missing> (raw)
In-Reply-To: <marc-lartc-106181746519954@msgid-missing>
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If you are using RTP for the session, you may also use RTCP as a
back-channel for reception reports. However, this is not required.
On Mon, 2003-08-25 at 19:59, devik wrote:
> I would ignore multicast ane let it go thru as aparently
> regular dialup and ADSL users have no access to it. Thus
> I consider it to be more secured by ISPs.
> Streaming audio/video, is not there some "feedback" channel
> so that server knows when client is dead ? There should be
> something like it IMHO. Note that I'd could every packet
> going to host (ignoring tcp/udp and/or port difference).
>
> Also thanks to Gerry to take it so seriously. I'm interested
> in result - especialy because I got the idea in night while
> being tortured by gnats ;-)
>
> devik
>
> On 25 Aug 2003, Lawrence MacIntyre wrote:
>
> > For TCP that works. There are, however, UDP applications that are
> > one-way (e.g. streaming video/audio). Many multicast applications are
> > one-way.
> >
> > On Mon, 2003-08-25 at 09:16, devik wrote:
> > > Hi,
> > >
> > > I got idea how to create anti-DDoS framework. I depicted
> > > it here: http://luxik.cdi.cz/~devik/qos/ddos-blackhole.htm
> > > I'd appreciate opinions whether it could work. Please Cc
> > > me in replies.
> > >
> > > Thanks,
> > > -------------------------------
> > > Martin Devera aka devik
> > > Linux kernel QoS/HTB maintainer
> > > http://luxik.cdi.cz/~devik/
> > >
> > > _______________________________________________
> > > LARTC mailing list / LARTC@mailman.ds9a.nl
> > > http://mailman.ds9a.nl/mailman/listinfo/lartc HOWTO: http://lartc.org/
> > --
> > Lawrence MacIntyre 865.574.8696 lpz@ornl.gov
> > Oak Ridge National Laboratory
> > High Performance Information Infrastructure Technology Group
> >
--
Lawrence MacIntyre 865.574.8696 lpz@ornl.gov
Oak Ridge National Laboratory
High Performance Information Infrastructure Technology Group
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next prev parent reply other threads:[~2003-08-26 11:57 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-08-25 13:16 [LARTC] DDoS mitigation devik
2003-08-25 13:39 ` Lawrence MacIntyre
2003-08-25 23:59 ` devik
2003-08-26 11:57 ` Lawrence MacIntyre [this message]
2003-08-26 20:50 ` devik
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